@media screen and (min-width: 750px) {
  html {
    font-size: 75px !important;
  }
}
.footer {
  position: fixed;
  margin: 0 auto;
  bottom: 0;
  left: 0;
  width: 100%;
  box-sizing: border-box;
  z-index: 31;
  text-align: center;
  background-color: #fff;
  -webkit-box-shadow: 0 0 10px 0 hsla(0, 6%, 58%, 0.6);
}
.footer a {
  float: left;
  width: 20%;
  height: 1.36rem;
}
.footer a img {
  width: 1.36rem;
  height: 1.36rem;
}
